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机构地区:[1]Department of Power Engineering, Chongqing Communication College, Chongqing 400035, China [2]College of Material Science and Engineering, Chongqing University, Chongqing 400044,China [3]College of Chemical Engineering, Chongqing University, Chongqing 400044,China
出 处:《Chinese Journal of Chemical Engineering》2006年第4期551-554,共4页中国化学工程学报(英文版)
摘 要:In this article, the electrochemical performance of the electrodes of zinc polycrystal, Zn(002) and Zn(100) single crystals were studied by the Tafel line extrapolation of the potentio-dynamic polarization curves, the cyclic voltammetry and the charge/discharge experiment. The results shows that in 6.0 mol·L^-1 KOH solution the corrosion rate of Zn polycrystal, Zn(100) and Zn(002) single crystals decreases in turn; and the reversibility and the charge/discharge performance of Zn single crystal was superior to Zn polycrystal. The dendrite growth of the surface of Zn polycrvstal was easier than Zn single crystal during the stages of charge/discharge.在这,文章,锌多晶体的电极的电气化学的表演, Zn (002 ) 和 Zn (100 ) 单晶被 potentio 动态的极化曲线,周期的 voltammetry 和控告 / 解除实验的 Tafel 线推测学习。结果在 6.0 摩尔· L 显示出那 ? 1 个 KOH 答案 Zn 的腐蚀速率多晶体, Zn (100 ) 和 Zn (002 ) 单晶减少接着;并且可逆性和 Zn 单晶的控告 / 解除表演比 Zn 多晶体优异。Zn 多晶体的表面的树突生长在控告 / 解除的阶段期间是比 Zn 单晶容易的。
关 键 词:zinc single crystal electrode alkaline solution corrosion cyclic voltammetry DENDRITE
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